<template>
  <div class="app-container">
    <el-row :gutter="10">
      <el-col :span="24" class="card-box">
        <el-card>
          <div slot="header"><span><i class="el-icon-monitor"></i> 基本信息</span></div>
          <div class="el-table el-table--enable-row-hover el-table--medium">
            <table cellspacing="0" style="width: 100%">
              <tbody>
              <tr>
                <td class="el-table__cell is-leaf"><div class="cell">Redis版本</div></td>
                <td class="el-table__cell is-leaf"><div class="cell" v-if="cache.info">{{ cache.info.redis_version }}</div></td>
                <td class="el-table__cell is-leaf"><div class="cell">运行模式</div></td>
                <td class="el-table__cell is-leaf"><div class="cell" v-if="cache.info">{{ cache.info.redis_mode == "standalone" ? "单机" : "集群" }}</div></td>
                <td class="el-table__cell is-leaf"><div class="cell">端口</div></td>
                <td class="el-table__cell is-leaf"><div class="cell" v-if="cache.info">{{ cache.info.tcp_port }}</div></td>
                <td class="el-table__cell is-leaf"><div class="cell">客户端数</div></td>
                <td class="el-table__cell is-leaf"><div class="cell" v-if="cache.info">{{ cache.info.connected_clients }}</div></td>
              </tr>
              <tr>
                <td class="el-table__cell is-leaf"><div class="cell">运行时间(天)</div></td>
                <td class="el-table__cell is-leaf"><div class="cell" v-if="cache.info">{{ cache.info.uptime_in_days }}</div></td>
                <td class="el-table__cell is-leaf"><div class="cell">使用内存</div></td>
                <td class="el-table__cell is-leaf"><div class="cell" v-if="cache.info">{{ cache.info.used_memory_human }}</div></td>
                <td class="el-table__cell is-leaf"><div class="cell">使用CPU</div></td>
                <td class="el-table__cell is-leaf"><div class="cell" v-if="cache.info">{{ parseFloat(cache.info.used_cpu_user_children).toFixed(2) }}</div></td>
                <td class="el-table__cell is-leaf"><div class="cell">内存配置</div></td>
                <td class="el-table__cell is-leaf"><div class="cell" v-if="cache.info">{{ cache.info.maxmemory_human }}</div></td>
              </tr>
              <tr>
                <td class="el-table__cell is-leaf"><div class="cell">AOF是否开启</div></td>
                <td class="el-table__cell is-leaf"><div class="cell" v-if="cache.info">{{ cache.info.aof_enabled == "0" ? "否" : "是" }}</div></td>
                <td class="el-table__cell is-leaf"><div class="cell">RDB是否成功</div></td>
                <td class="el-table__cell is-leaf"><div class="cell" v-if="cache.info">{{ cache.info.rdb_last_bgsave_status }}</div></td>
                <td class="el-table__cell is-leaf"><div class="cell">Key数量</div></td>
                <td class="el-table__cell is-leaf"><div class="cell" v-if="cache.dbSize">{{ cache.dbSize }} </div></td>
                <td class="el-table__cell is-leaf"><div class="cell">网络入口/出口</div></td>
                <td class="el-table__cell is-leaf"><div class="cell" v-if="cache.info">{{ cache.info.instantaneous_input_kbps }}kps/{{cache.info.instantaneous_output_kbps}}kps</div></td>
              </tr>
              </tbody>
            </table>
          </div>
        </el-card>
      </el-col>

      <el-col :span="12" class="card-box">
        <el-card>
          <div slot="header"><span><i class="el-icon-pie-chart"></i> 命令统计</span></div>
          <div class="el-table el-table--enable-row-hover el-table--medium">
            <div ref="commandstats" style="height: 420px" />
          </div>
        </el-card>
      </el-col>

      <el-col :span="12" class="card-box">
        <el-card>
          <div slot="header"><span><i class="el-icon-odometer"></i> 内存信息</span></div>
          <div class="el-table el-table--enable-row-hover el-table--medium">
            <div ref="usedmemory" style="height: 420px" />
          </div>
        </el-card>
      </el-col>
    </el-row>
  </div>
</template>

<script>
  import { getCache } from "@/api/monitor/cache"
  import * as echarts from "echarts"

  export default {
    name: "Cache",
    data() {
      return {
        // 统计命令信息
        commandstats: null,
        // 使用内存
        usedmemory: null,
        // cache信息
        cache: []
      }
    },
    created() {
      this.getList()
      this.openLoading()
    },
    methods: {
      /** 查缓存询信息 */
      getList() {
        getCache().then((response) => {
          this.cache = response.data
          this.$modal.closeLoading()

          this.commandstats = echarts.init(this.$refs.commandstats, "macarons")
          this.commandstats.setOption({
            tooltip: {
              trigger: "item",
              formatter: "{a} <br/>{b} : {c} ({d}%)",
            },
            series: [
              {
                name: "命令",
                type: "pie",
                roseType: "radius",
                radius: [15, 95],
                center: ["50%", "38%"],
                data: response.data.commandStats,
                animationEasing: "cubicInOut",
                animationDuration: 1000,
              }
            ]
          })
          this.usedmemory = echarts.init(this.$refs.usedmemory, "macarons")
          this.usedmemory.setOption({
            tooltip: {
              formatter: "{b} <br/>{a} : " + this.cache.info.used_memory_human,
            },
            series: [
              {
                name: "峰值",
                type: "gauge",
                min: 0,
                max: 1000,
                detail: {
                  formatter: this.cache.info.used_memory_human,
                },
                data: [
                  {
                    value: parseFloat(this.cache.info.used_memory_human),
                    name: "内存消耗",
                  }
                ]
              }
            ]
          })
          window.addEventListener("resize", () => {
            this.commandstats.resize()
            this.usedmemory.resize()
          })
        })
      },
      // 打开加载层
      openLoading() {
        this.$modal.loading("正在加载缓存监控数据，请稍候！")
      }
    }
  }
</script>
